| Place | Post Code |
|---|---|
| Pico, Huacachi | 02355 |
| Pomabamba, Huacachi | 02355 |
| Potaga, Huacachi | 02355 |
| Quinhuay, Huacachi | 02355 |
| Rosa Pampa, Huacachi | 02355 |
| Rosayoc, Huacachi | 02355 |
| Rumichaca, Huacachi | 02355 |
| San Martin de Mara, Huacachi | 02355 |
| Tactabamba, Huacachi | 02355 |
| Tarapaca, Huacachi | 02355 |
| Tujo, Huacachi | 02355 |
| Tzicray, Huacachi | 02355 |
| Vioc, Huacachi | 02355 |